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View Full Version : Please help need part# for inputshaft and ring gear


Stewi
25-02-2009, 09:37 PM
I am having a hard time finding the part# for the two parts I need. I need part#'s for a 97 Vr4 manual gearbox input shaft and ring gear (the one that mesh's with the input shaft, I believe its the centre diff ring gear)

Can anyone help me with this? it is very hard for me to locate this info as I am in the US.
bradc
25-02-2009, 09:38 PM
Do you perhaps mean the output shaft, as that is the one that meets with that gear?
Nick Mann
25-02-2009, 10:05 PM
The internals are the same design as the 5 speed Evo box. The ratios aren't all the same though. If you can find someone around you that understands the Evo boxes, then armed with the gear ratios off the specs page on this site, he should be able to get you the parts using that info and knowledge of the Evo box.

Not the easiest route, but it will work if you have an Evo specialist you can get hold of.
Stewi
25-02-2009, 10:24 PM
the problem is the US EVO final drive ratio is much much higher than the VR4. Thats why I am looking for the VR4 input shaft part# and ring gear part#
Nick Mann
25-02-2009, 10:31 PM
The final drive is not on the input shaft? The input shaft is the one that the clutch drives. The final drive is on the output shaft and whatever the shaft is called that feeds that. (Lay shaft?)
Stewi
25-02-2009, 10:59 PM
I apologize for my misunderstanding. I need the part# for the output shaft and the center ring gear. I beleive the center ring gear is what drives the output shaft as the ring gear is attached to that "lay shaft"

thanks for clearing that up for my Nick, I am new to the tranmission internals.
Nick Mann
25-02-2009, 11:15 PM
I'm no expert myself, so take my technical knowledge with a pinch of salt!
Stewi
25-02-2009, 11:23 PM
I'm no expert myself, so take my technical knowledge with a pinch of salt!

thanks again.

do you know where I could find the part#'s

I cant find a service manual online.
peter thomson
25-02-2009, 11:29 PM
Bradc will be able to let you know the part numbers. I could but I may give you the wrong numbers.
Nick Mann
25-02-2009, 11:32 PM
I've tried to find these numbers before and got stuck.

I think the smaller of the gears is actually a part of the Lay shaft? The larger gear is bolted to the output shaft assembly, which also seems to house the front diff.
peter thomson
25-02-2009, 11:41 PM
The output shaft is MD749217 which is now replaced with MD748306. These are used in the later VR4's there is an earlier part number . I not confident enough to know what the other one is
bradc
25-02-2009, 11:57 PM
Part code for the output shaft is MD749217 or MD748306 as Peter said. The crown wheel of 'diff drive gear' is MD770339
bradc
25-02-2009, 11:58 PM
Hmm, the transfer to the new site seems to be breaking images at the moment. I'll send a message to the boss!
Kenneth
26-02-2009, 12:29 AM
Hmm, the transfer to the new site seems to be breaking images at the moment. I'll send a message to the boss!

The transfer isn't doing that (and as far as I know, it isn't happening at present) it is most likely a problem caused by HU dicking us around.

No point in fixing it until we move host, as I am sure HU will manage to put us back to square 1 at some point in the mean time.